... Three Month Composite of Comet Holmes . ... Since brightening unexpectedly by nearly one million fold in late October, the last three months have found the coma of Comet 17P/Holmes both expanding and fading. This spectacular composite image shows how the coma and tail of Comet Holmes have changed. ... When the robotic MESSENGER spacecraft glided by the planet Mercury last month, it was able to image portions of the Sun's closest planet that had never been seen before. ... Mercury on the Horizon . ...

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... 2003 October 12 . The Coma Cluster of Galaxies . ... The Coma Cluster of Galaxies pictured above is one of the densest clusters known - it contains thousands of galaxies . ... In fact, the Coma Cluster is so big it takes light millions of years just to go from one side to the other! Most galaxies in Coma and other clusters are ellipticals , while most galaxies outside of clusters are spirals . ... About APOD | ... NASA Web Site Statements, Warnings, and Disclaimers . ...

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• APOD: 2004 October 25 - The Perseus Cluster of Galaxies
• APOD: 2001 October 24 - The Matter of Galaxy Clusters
• APOD: 2001 October 7 - Abell 2218: A Galaxy Cluster Lens

... Tonight's Sky . ... The Magazine . News . Observing . ... Magazine . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Astronomy for Kids . ... October 2012 . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...

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• galaxy clusters | Astronomy.com
• The Fireworks Galaxy and open cluster NGC 6939 | Astronomy.com
• Our Galaxy's oldest open clusters | Astronomy.com

... Any water on Mars is locked up in the ice caps. ... The most recent successful mission to Mars is the Mars Science Laboratory better known as the Curiosity rover. ... CuriosityтАЩs primary role is to search for conditions that may have once been able to harbour any sort of bacterial life concealed beneath the Martian surface. ... Using what we know about life on Earth, where there is water, there is life, signs of water may help us understand what Mars was like billions of years ago. €а . ...

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• Astronotes | Armagh Planetarium's astronomy news from across the Universe -
• - Part 12
• Martina Glass | Astronotes - Part 2

This animation shows a galaxy cluster with two mass concentrations (the pink shading indicates the projected mass density) lensing a background field of faint blue galaxies. ... Inside the Einstein ring radius one has radial arcs, and right in the center of the cluster there are demagnified images. The highest magnifications occur at the Einstein ring radius, giving the large tangential arcs. ... Abell 2218 and CL2244-02 are clusters with tangential arcs. ... Tutorial : Part 1 | Part 2 | ...

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• A 20 cm VLA survey of Abell clusters of galaxies
• A VLA Survey of Rich Clusters of Galaxies III
• A 1400-MHz Survey of 1478 Abell Clusters of Galaxies

... These Frontier Fields will combine the power of HST with the natural gravitational telescopes of high-magnification clusters of galaxies. ... We are soliciting gravitational lensing maps for the last four Hubble Frontier Fields clusters (MACSJ0717.5+3745, MACSJ1149.5+2223, AbellS1063, and Abell 370) based upon the exceptionally deep HST FF imaging and other new ancillary data. ... For the full set of proposal instructions and requirements, see the FY16 Frontier Fields Lensing Map Call for Proposals....

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• STScI Preprint #1194
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M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...

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• The Galaxy Gallery Page IX: Clusters of Galaxies
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Title: A New Model of the Gravitational Lens 0957+561 and a Limit on the Hubble Constant . Authors: Norman A. Grogin , Ramesh Narayan (Harvard Univ.) ... Title: ROSAT/PSPC observation of the distant cluster CL0939+472 . ... Title: Interaction in the Bimodal Galaxy Cluster A3528 . ... Title: Cosmological Implications of Galaxy Cluster Evolution . ... Title: Galaxy Cluster Virial Masses and Omega . ... Matches 201 to 222 from a total of 222 matches for the search pattern galaxy cluster . ...

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• astro-ph authors/title/abstract search for 'galaxy merging' all years

... This paper ( Burke et al. 2003 ) describes the creation of one such catalogue - the Southern Serendipitous High-redshift Archival ROSAT Cluster (SHARC) survey - which covers an area of 17.7 deg 2 and consists of 32 clusters with redshifts between 0.05 and 0.7 and X-ray luminosities between 7 x 10 42 and 4 x 10 44 erg/s: the high-redshift subsample contains 16 clusters with = 0.3 and X-ray luminosities greater than 2 x 10 43 erg/s (luminosities are quoted for the 0.5 - 2.0 keV energy band). ... 1997 ...

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• Doug Burke: Publications List
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ESO PR Photo 18b/00 . ... Caption : Images of two of the novae in NGC 1316 that were discovered during the observational programme described in this Press Release. ... In particular, no less than four novae were detected in a single giant galaxy within only 11 days . ... Moreover, the discovery of four novae in one galaxy in the Fornax cluster was possible with only 3 hours of observing time per filter. ... ESO Press Information is available on the WWW at . http://www.eso.org/outreach/press-rel/ . ...

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• Hubble Reveals Stellar Fireworks Accompanying Galaxy Collision PRC97-34a
• APOD: December 13, 1997 - The Coma Cluster of Galaxies
• APOD: May 3, 1997 - Giant Cluster Bends, Breaks Galaxy Images

... Science . ... Science Users Information > Science and Technical Meetings > Conferences 2002 > cosmology2002 . ... Observing with ESO Telescopes . ... Public Surveys . ... Data Handling and Products . ... Science Data Products Forum . ... ESO Data . ... ESO Data Access Policy . ... Review: Weak Lensing . ... Tangential alignement of galaxies in a STIS Parallel shear survey field: a new dark lens candidate . ... Poster: . ... New Clues on clustering evolution from the K20 and FIRES surveys . ... data ...

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• Stars and Galaxies
• A Drive Through Time тАФ How telescopes, and cars, have changed at La Silla

An Ancient Universe: How Astronomers Know the Vast Scale of Cosmic Time . THE CHANGING UNIVERSE: EVOLUTION HAPPENS! . c) Changes in the Universe . ... In a universe that is not evolving, we should see as many of these hyper-active galaxy cores in each period of cosmic history. ... An Ancient Universe - Table of Contents . ... The Ancient Universe - The Age of the Expanding Universe - The Age of the Oldest Stars - The Age of Light From Distant Galaxies - The Age of the Chemical Elements | ...

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• ASP: An Ancient Universe - Changes in the Solar System
• ASP: Globular Clusters and Satellite Galaxies: Companions to the Milky Way
• ASP: Big Clusters, Tiny Galaxies

... Contacts . 2012: . ... We refined the fundamental parameters of the components, the orbital periods, and the conditions of photospheric heating of the secondary component by the ultraviolet radiation of the hot component. ... The observations of the star clusters associated with ultra-luminous x-ray sources (ULXs) in four galaxies on the 6-meter and VLT telescopes have shown that all the ULXs are located within 200pc of very young star clusters (younger than 5 million years). ... Archive . ...

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... Changed time to 08:00-14:00 (AT, HO, MP, SH, HH) V125a Nov 01 Cancel 3C380 (VLBA, GO) VS07u Nov 03 Changed observing times (KA, HO, HH) V053c3 Nov 05 Changed observing times (VLBA) VS09q Nov 20 Cancel (GB, AR) V019b Nov 25 Changed observing times (AT, HH, MP, UD) V001a Dec 02 Removed AT VS03j Dec 03 Cancel (KA, MP, UD) V029a Dec 10 Changed times (MK, TI, AT, HH, MP) V035a1 Dec 21 Changed stop time (VLBA, GO, RO) Modified on Sep 26: Most changes are related to VSOP survey source additions. ...

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• ATNF Daily Astronomy Picture
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... ISC Kosmotras . Top Management Founder of ISC Kosmotras - Dr. Vladimir A. Andreev News . ... Dnepr launch record 17 August 2011. Cluster Launch of Dnepr LV 22 August 2013 KOMPSAT-5 Launch 21 November 2013. Dnepr Cluster Mission 2013 19 June 2014. ... According to the decision of ISC Kosmotras Board of Directors, Dr. Vladimir A. Andreev, Director General of ISC Kosmotras, has been appointed to a newly established position of ISC Kosmotras President. ... E-mail: info@kosmotras.ru . ...

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... Ciel Espace, le magazine qui vous guide toujours plus loin . ... Ciel Espace, nouvelle formule, c'est . des actualitГїs . ... les plus belles images de l'Univers dГїcryptГїes pour vous . ... des pages consacrГїes Г la publication de vos photos Mais c'est aussi une vraie communautГї avec laquelle partager votre passion et nourrir votre curiositГї. Accueil Г? la une Le ciel change . ... L'espace, une vigie pour la biosphГЕre . ... 20/01/2015 - Une multitude d'Гїtoiles hors des galaxies . ...

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... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... Brief History of Rocket and Space Technology . ... ISS Russian Segment . ... Sea Launch . ... News . ... OAO RSC Energia is a leading enterprise of rocket-space industry, the prime organization for manned space systems. ... Contribution of RSC Energia to the Russian Rocket-Space Technology . ... RSC Energia: Progress MS-02 docked with the ISS.' ... 2015 JSC "S.P. Korolev RSC "Energia" . ...

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... August Solar Eclipse Report: Thursday 11 September 2008 . ... Dr Fosbury is head of the section in the European Space Agency (ESA) as part of ESA's collaboration with NASA on the Hubble Space Telescope (HST) project at ST-ECF . ... The lecture is entitled "Astronomy today and the role played by the Hubble Space Telescope". ... Tuesday, 16 September 2008 00:44 . International Year of Astronomy, Ireland National Node . ...

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• Stars Beyond Maturity
• C.J. Butler, Research Astronomer
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... Confirmation that a mysterious cloud of hydrogen in the Virgo Cluster is a dark galaxy has been published by a team of astronomers . New evidence from NASA's Hubble Space Telescope and the Westerbork Synthesis Radio Telescope in the Netherlands has been used to rule out all but one of the ideas put forward to explain the existence of VIRGOHI 21, an intergalactic gas cloud 50 million light-years from the Earth. ... Only Dark Matter can account for the existence of such a system. ...

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• GOLDMiNe: Virgo cluster optical and HI databases
• AGES - the Arecibo Galaxy Environment Survey
• OLD ANALYZ instruction sequences HI in galaxies

... Sunday , October 6, 2013 Standard quasar-like AGN Standard AGN have: · · · · · Luminous accretion disk (with X-ray corona) Bright line emission (ionised by disk) Dusty obscuring torus (emits in IR/sub-mm) Orientation-dependent observed properties Sometimes, extended radio jets Sunday , October 6, 2013 Another class of AGN Other AGN , exemplified by weak radio ... Sunday, October 6, 2013 Summary · · · · · · Not all AGN follow the "standard" accretion disk picture. ...

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• http://www.mrao.cam.ac.uk/~tm419/downloads/maciel_ESAC_poster.pdf
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